Home / 15,284.19-21,093.06-8,569.50

Finding the Fourth Proportional to 15,284.19, 21,093.06 and 8,569.50

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Solution

The fourth proportional to 15,284.19, 21,093.06 and 8,569.50 is: 11,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.19 : 21,093.06 = 8,569.50 : x
  2. Step 2: Convert to fraction form
    15,284.19/21,093.06 = 8,569.50/x
  3. Step 3: Cross multiply
    15,284.19x = 21,093.06 × 8,569.50
  4. Step 4: Simplify right side
    15,284.19x = 180,756,882.50
  5. Step 5: Solve for x
    x = 180,756,882.50/15,284.19
  6. Step 6: Final answer
    x = 11,826.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.